private void button4_Click(object sender, EventArgs e)
{
/* Create Key CS and encrypt the Key using Key TGS before send it to Client
* 1. generate Key CS
* 2. store in TGS server
* 3. encrypt the Key CS, using Key TGS
**/
f.printProcess("\n\nEncrpyt Key CS using Key TGS to send to Client (Scenario 10)", ncolor);
f.printProcess("Encrpyt Key CS using Key TGS-S to send to Service Server (Scenario 11)", ncolor);
string encToclient = secCol.encryption(secCol.getBit(tgServer.getCSkey()), tabCol, tgServer.geTGSkey(), f);
string encToSServer = secCol.encryption(secCol.getBit(tgServer.getCSkey()), tabCol, tgServer.getTGSSkey(), f);
textBox4.Text = tgServer.getCSkey();
textBox5.Text = encToclient;
textBox10.Text = tgServer.getTGSSkey();
textBox11.Text = encToSServer;
button5.Enabled = true;
button4.Enabled = false;
mainPage.setFlag(10);
mainPage.setFlag(11);
}
private void button7_Click(object sender, EventArgs e)
{
/* encrypt Service Request message and send it to Service Server.
* show the message on display.
* */
f.printProcess("\n\nCreate request message and ecnrypt the message using Key CS (Scenario 14, 15)", ncolor);
encMessage = secCol.encryption(secCol.getBit(p.getServiceName()), tabCol, p.getCSKey(), f);
textBox11.Text = p.getServiceName();
textBox12.Text = encMessage;
button2.Enabled = true;
button7.Enabled = false;
mainPage.setFlag(14);
mainPage.setFlag(15);
}
private void button5_Click(object sender, EventArgs e)
{
/*
* this button send Client ID to Authentication Server and request Key TGS and ticket
* Key encrypted with Password
* if the ID is in the A.S then It gets ticket and encrypted key from them.
*/
if (idBox.Text == "")
{
MessageBox.Show("Invalid Username");
}
else
{
ncolor = Color.Black;
f.printProcess("Message encryption using Password in Authentication Server (Scenario 1,2)", ncolor);
/* 1. Create Key TGS
* 2. Create Ticket which has client id, create time and Key tgs.
* 4. Create message with Ticket and Key TGS
* 3. Encrypt the Message with client's password
* 4. send the encrypted Message to Client.
* */
string ticket = "ID:" + idBox.Text + ":time:" + (DateTime.Now.ToString("yyyyMMddHHmm")); //Create ticket
textBox1.Text = aServer.getTGSkey();
ticketBox.Text = ticket;
textBox3.Text = ticket + ":key:" + aServer.getTGSkey();
encKey = secCol.encryption(secCol.getBit(ticket + ":key:" + aServer.getTGSkey()), tabCol, aServer.getPassword(idBox.Text), f); // Encrypt the ticket using Password.
encKeyBox.Text = encKey;
button3.Enabled = true;
mainPage.setFlag(1);
mainPage.setFlag(2);
f.setFlag(1);
}
}